“rare element”的概念、定义、翻译、参考文献-科学参考

单词	rare element
释义	rare element Encyclopedia 理学短周期释 rare element稀有元素自然界中储量、分布稀少（一般地壳丰度为0.01%以下）且人类应用的量较少的元素总称。 Chemistry ＞无机化学＞无机化学基本概念与无机化合物＞释义 rare element稀有元素
随便看	locally finite covering locally finite family locally finite family of sets locally finite graph locally finite group locally finite module locally finite quiver locally finite radical locally finite semigroup locally finite space locally finite sum locally flat locally flat connection locally flat embedding locally flat manifold locally flat point locally flat structure locally flat submanifold locally flat transfer locally free group locally free module locally free sheaf locally gauge invariant Lagrangian for a gauge theory locally generated sheaf locally holonomic connection

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。